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Hi.=20

As the subject say, I cannot print invisible Swing components. I have a =
PrintPreview Swing object which handles my printing. If I choose to =
preview and then print everything works fine. If choose not to preview =
(I construct an instance of PrintPreview but call setVisible(false)) =
then nothing gets printed.=20

I can see from the printer pool that a print job is made but it is very =
small compared to the print job when PrintPreview is visible.=20

Here is some of the code I use to print with:=20

JComponent[] pages =3D makePages();=20
if (preview)=20
{=20
  PrintPreview pp =3D new PrintPreview(this, pages, resources);=20
  pp.setVisible(true);=20
}=20
else  // no preview, just print=20
{=20
  PrintPreview pp =3D new PrintPreview(this, pages, resources);=20
  pp.setVisible(false);=20
  PrintUtilities.printComponent(pp);=20
}

My PrintPreview class implements Pageable and Printable and my print =
method looks like this:=20
=20
public int print(Graphics g, PageFormat pageFormat, int pageIndex)=20
{=20
  if (pageIndex >=3D getNumberOfPages())=20
    return(NO_SUCH_PAGE);=20
  else=20
  {=20
    Graphics2D g2d =3D (Graphics2D)g;=20
    PrintUtilities.disableDoubleBuffering(this);=20
    JComponent componentToBePrinted =3D pages[pageIndex];=20
    componentToBePrinted.paint(g);=20
    PrintUtilities.enableDoubleBuffering(this);=20
    componentToBePrinted =3D null;=20
    return(PAGE_EXISTS);=20
  }=20
}=20

I use jdk 1.3 on Windows NT SP5.=20

Any help/comments would be appreciated. Please send your reply to =
mp@newcon.dk besides from posting it here.=20

Mads



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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2314.1000" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY>
<DIV><FONT face=3DArial size=3D2>Hi. </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>As the subject say, I cannot print =
invisible Swing=20
components. I have a PrintPreview Swing object which handles my =
printing. If I=20
choose to preview and then print everything works fine. If choose not to =
preview=20
(I construct an instance of PrintPreview but call setVisible(false)) =
then=20
nothing gets printed. </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I can see from the printer pool that a =
print job is=20
made but it is very small compared to the print job when PrintPreview is =

visible. </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Here is some of the code I use to print =
with:=20
</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3D"Courier New" size=3D2>JComponent[] pages =3D =
makePages(); <BR>if=20
(preview) <BR>{ <BR>&nbsp; PrintPreview pp =3D new PrintPreview(this, =
pages,=20
resources); <BR>&nbsp; pp.setVisible(true); <BR>} <BR>else&nbsp; // no =
preview,=20
just print <BR>{ <BR>&nbsp; PrintPreview pp =3D new PrintPreview(this, =
pages,=20
resources); <BR>&nbsp; pp.setVisible(false); <BR>&nbsp;=20
PrintUtilities.printComponent(pp); <BR>}</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>My PrintPreview class implements =
Pageable and=20
Printable and my print method looks like this: </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>&nbsp;<BR><FONT face=3D"Courier =
New">public int=20
print(Graphics g, PageFormat pageFormat, int pageIndex) <BR>{ <BR>&nbsp; =
if=20
(pageIndex &gt;=3D getNumberOfPages()) <BR>&nbsp;&nbsp;&nbsp;=20
return(NO_SUCH_PAGE); <BR>&nbsp; else <BR>&nbsp; { =
<BR>&nbsp;&nbsp;&nbsp;=20
Graphics2D g2d =3D (Graphics2D)g; <BR>&nbsp;&nbsp;&nbsp;=20
PrintUtilities.disableDoubleBuffering(this); <BR>&nbsp;&nbsp;&nbsp; =
JComponent=20
componentToBePrinted =3D pages[pageIndex]; <BR>&nbsp;&nbsp;&nbsp;=20
componentToBePrinted.paint(g); <BR>&nbsp;&nbsp;&nbsp;=20
PrintUtilities.enableDoubleBuffering(this); <BR>&nbsp;&nbsp;&nbsp;=20
componentToBePrinted =3D null; <BR>&nbsp;&nbsp;&nbsp; =
return(PAGE_EXISTS);=20
<BR>&nbsp; } <BR>} </FONT></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I use jdk 1.3 on Windows NT SP5. =
</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Any help/comments would be appreciated. =
Please send=20
your reply to <A href=3D"mailto:mp@newcon.dk">mp@newcon.dk</A> besides =
from=20
posting it here. </FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Mads</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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